Home / 1,198,316.28-1,652,917.08-911,206.92

Finding the Fourth Proportional to 1,198,316.28, 1,652,917.08 and 911,206.92

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Solution

The fourth proportional to 1,198,316.28, 1,652,917.08 and 911,206.92 is: 1,256,888.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,316.28 : 1,652,917.08 = 911,206.92 : x
  2. Step 2: Convert to fraction form
    1,198,316.28/1,652,917.08 = 911,206.92/x
  3. Step 3: Cross multiply
    1,198,316.28x = 1,652,917.08 × 911,206.92
  4. Step 4: Simplify right side
    1,198,316.28x = 1,506,149,481,482.19
  5. Step 5: Solve for x
    x = 1,506,149,481,482.19/1,198,316.28
  6. Step 6: Final answer
    x = 1,256,888.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.